Displaying DCI and other content on an enhanced dynamic range projector

Abstract

Systems and methods of rendering DCI-compliant image data on Enhanced Dynamic Range (EDR) display systems are disclosed. One embodiment of an EDR projector system comprises a first modulator and a second modulator. One method for rendering DCI-compliant image data on an EDR projector system comprises: receiving input image data, said image data comprising a plurality of image formats; determining whether the input image data comprises DCI image data; if the input image data comprises DCI image data, then performing dynamic range (DR) processing on the DCI image data; and rendering the dynamic range processed DCI image data on the EDR projector system. One DR processing method is to set the first modulator to a desired luminance level—e.g., fully ON or a ratio of DCI max luminance to the EDR max luminance. In addition, a desired minimum level of luminance may be set for the EDR projector.

The invention claimed is: 
     
       1. A device comprising:
 a first modulator; 
 a second modulator; and 
 a controller configured to
 receive input image data comprising a plurality of image formats; 
 determine whether the input image data comprises Digital Cinema Initiative (DCI)-compliant image data; 
 determine whether the input image data comprises Enhanced Dynamic Range (EDR) image data; 
 processing the EDR image data in response to determining that the input image data comprises the EDR image data; 
 set a luminance of the first modulator as a function of a ratio of a DCI maximum luminance to a maximum luminance of an EDR projector system in response to processing the EDR image data and determining that the input image data comprises the DCI image data; 
 perform dynamic range processing on the DCI image data by creating a blurred halftone image on the first modulator; and 
 render the DCI image data that is processed from the first modulator on the second modulator. 
 
 
     
     
       2. The device of  claim 1 , wherein, to determine whether the input image data comprises the DCI image data, the controller is further configured to:
 detect metadata associated with the input image data, the metadata indicating that the input image data is DCI-compliant, or 
 assay the input image data to detect a plurality of image data parameters indicating that the input image data is DCI-compliant. 
 
     
     
       3. The device of  claim 1 , wherein, to perform the dynamic range processing on the DCI image data, the controller is further configured to:
 set the first modulator to a desired luminance level, and 
 send signals to the second modulator to modulate light from the first modulator to form a desired image from the input image data. 
 
     
     
       4. The device of  claim 3 , wherein, to set the first modulator to the desired luminance level, the controller is further configured to:
 set the first modulator to transmit a full luminosity. 
 
     
     
       5. The device of  claim 3 , wherein, to set the first modulator to the desired luminance level, the controller is further configured to:
 set the first modulator to substantially transmit the ratio of the DCI maximum luminance to the maximum luminance of the EDR projector system. 
 
     
     
       6. The device of  claim 3 , wherein, to send the signals to the second modulator to form the desired image, the controller is further configured to:
 render the desired image with a desired minimum level of a full luminance output of the EDR projector system. 
 
     
     
       7. The device of  claim 6 , wherein the desired minimum level is substantially 1/1800 of the maximum luminance of the EDR projector system. 
     
     
       8. The device of  claim 1 , wherein the controller is further configured to:
 gamut map DCI image data to a desired color gamut. 
 
     
     
       9. The device of  claim 1 , wherein, to gamut map DCI image data to a desired color gamut, the controller is further configured to:
 expand the DCI image data to a full color gamut of the EDR projector system. 
 
     
     
       10. A multi-modulation projection display system comprising:
 a first modulator comprising a plurality of analog mirrors; 
 a second modulator comprising a plurality of mirrors; and 
 a controller configured to:
 receive input image data comprising at least one bright feature on a black background, 
 determine whether the input image data comprises Digital Cinema Initiative (DCI)-compliant image data, 
 determine whether the input image data comprises Enhanced Dynamic Range (EDR) image data, 
 process the EDR image data in response to determining that the input image data comprises the EDR image data, 
 set a luminance of the first modulator as a function of a ratio of a DCI maximum luminance to a maximum luminance of an EDR projector system in response to processing the EDR image data and determining that the input image data comprises the DCI image data, 
 perform dynamic range processing on the DCI image data by creating a blurred halftone image on the first modulator, and 
 render the DCI image data that is processed from the first modulator on the second modulator. 
 
 
     
     
       11. The multi-modulation projection display system of  claim 10 , wherein, to determine whether the input image data comprises the DCI image data, the controller is further configured to:
 detect metadata associated with the input image data, the metadata indicating that the input image data is DCI-compliant; or 
 assay the input image data to detect a plurality of image data parameters indicating that the input image data is DCI-compliant. 
 
     
     
       12. The multi-modulation projection display system of  claim 10 , wherein, to perform the dynamic range processing on the DCI image data, the controller is further configured to:
 set the first modulator to a desired luminance level, and 
 send signals to the second modulator to modulate light from the first modulator to form a desired image from the input image data. 
 
     
     
       13. The multi-modulation projection display system of  claim 12 , wherein, to set the first modulator to the desired luminance level, the controller is further configured to:
 set the first modulator to transmit a full luminosity of the multi-modulation projection display system. 
 
     
     
       14. The multi-modulation projection display system of  claim 12 , wherein, to set the first modulator to the desired luminance level, the controller is further configured to:
 set the first modulator to substantially transmit the ratio of the DCI maximum luminance to the maximum luminance of the EDR projector system. 
 
     
     
       15. The multi-modulation projection display system of  claim 12 , wherein, to send the signals to the second modulator to form the desired image, the controller is further configured to:
 render the desired image with a desired minimum level of a full luminance output of the EDR projector system. 
 
     
     
       16. The multi-modulation projection display system of  claim 15 , wherein the desired minimum level is substantially 1/1800 of the maximum luminance of the EDR projector system. 
     
     
       17. The multi-modulation projection display system of  claim 10 , wherein the controller is further configured to:
 gamut map DCI image data to a desired color gamut. 
 
     
     
       18. The multi-modulation projection display system of  claim 17 , wherein, to gamut map the DCI image data to the desired color gamut, the controller is further configured to:
 expand the DCI image data to a full color gamut of the EDR projector system.